Finding the Fourth Proportional to 151,731.32, 209,374.31 and 83,743.92

Step by Step Solution

1. Step 1: Write the proportion equation
   151,731.32 : 209,374.31 = 83,743.92 : x
2. Step 2: Convert to fraction form
   151,731.32/209,374.31 = 83,743.92/x
3. Step 3: Cross multiply
   151,731.32x = 209,374.31 × 83,743.92
4. Step 4: Simplify right side
   151,731.32x = 17,533,825,047.98
5. Step 5: Solve for x
   x = 17,533,825,047.98/151,731.32
6. Step 6: Final answer
   x = 115,558.38